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Pounds to US Cups (All-purpose flour) Converter

Convert pounds (lb) to US cups (cup) for all-purpose flour, with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an amount, choose its measure and the one you want, and pick the type. Spoons and cups convert to weight using the cited weight per cup.

About amountThe quantity to convert. Fractions such as 3/4 or 1 1/2 are accepted.
About toUnit you want. Swap exchanges the two units.
About ingredientWeight per cup differs by ingredient and by how it is measured; each option names the assumption used.
Result
Converted amount
3.62874 cup
Density used
0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g)
Exact
3.62873896

1 pounds of all-purpose flour = 3.62874 US cups. Weights for cups and spoons vary with how the ingredient is measured, so treat this as a close estimate.

Show the the same amount in other volume units (17 rows)
The same amount in other volume units
UnitAmount
US teaspoons174.179
US tablespoons58.0598
US fluid ounces29.0299
US liquid pints1.81437
US liquid quarts0.907185
US gallons0.226796
US nutrition-label fluid ounces28.6172
US nutrition-label cups3.57715
milliliters858.517
liters0.858517
metric teaspoons171.703
metric tablespoons57.2345
metric cups3.43407
imperial fluid ounces30.2156
imperial pints1.51078
imperial quarts0.755389
imperial gallons0.188847
Show the working
  1. 1 lb = 453.59237 g
  2. ÷ 0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g) = 858.516951265 mL
  3. = 3.62873896 cup

How to convert pounds to us cups

1 lb = 3.62874 cup, so multiply by 3.62874 to go from pounds to US cups of all-purpose flour. Going the other way, 1 cup = 0.275578 lb.

cup = lb × 3.62874
lb = cup × 0.275578

Cups and spoons convert to weight using the weight per cup for all-purpose flour shown in the result; how the ingredient is measured (spooned, packed, sifted) changes it.

Worked example:

5 lb = 2267.96185 g
÷ 0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g) = 4292.58475633 mL
= 18.1436948 cup

Pounds to us cups table

PoundsUS Cups
1 lb3.62874 cup
2 lb7.25748 cup
3 lb10.8862 cup
4 lb14.515 cup
5 lb18.1437 cup
6 lb21.7724 cup
7 lb25.4012 cup
8 lb29.0299 cup
9 lb32.6587 cup
10 lb36.2874 cup
15 lb54.4311 cup
20 lb72.5748 cup
25 lb90.7185 cup
30 lb108.862 cup
40 lb145.15 cup
50 lb181.437 cup
75 lb272.155 cup
100 lb362.874 cup
250 lb907.185 cup
500 lb1,814.37 cup
1000 lb3,628.74 cup

About the units

Pounds (lb)
Pounds, a US customary unit. Definition: NIST Handbook 44 Appendix C (international foot and avoirdupois pound).
US Cups (cup)
US cups, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).

Formula version 0.1.0Reviewed